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uml: no locking needed in tls.c

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Comment the lack of locking on a couple of globals.

Also fix the formatting of __setup_host_supports_tls.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike 2007-05-06 14:51:20 -07:00 committed by Linus Torvalds
parent a18ff1bde0
commit 65a58ab044
1 changed files with 8 additions and 3 deletions
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11
arch/um/sys-i386/tls.c
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@ -23,9 +23,13 @@
#include "skas.h"
#endif
/* If needed we can detect when it's uninitialized. */
/*
* If needed we can detect when it's uninitialized.
*
* These are initialized in an initcall and unchanged thereafter.
*/
static int host_supports_tls = -1;
int host_gdt_entry_tls_min = -1;
int host_gdt_entry_tls_min;
#ifdef CONFIG_MODE_SKAS
int do_set_thread_area_skas(struct user_desc *info)
@ -361,7 +365,8 @@ out:
/* XXX: This part is probably common to i386 and x86-64. Don't create a common
* file for now, do that when implementing x86-64 support.*/
static int __init __setup_host_supports_tls(void) {
static int __init __setup_host_supports_tls(void)
{
check_host_supports_tls(&host_supports_tls, &host_gdt_entry_tls_min);
if (host_supports_tls) {
printk(KERN_INFO "Host TLS support detected\n");